[MOD] Backlinks button bootstrapped

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49146 b456876b-0849-0410-b77d-98878d47e9d5
[MOD] Adding extra class to enable unique styling of the button

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49147 b456876b-0849-0410-b77d-98878d47e9d5
[REF] Bootstrapified find form.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49149 b456876b-0849-0410-b77d-98878d47e9d5